› added 7 years ago

213

TIL, the pen name, Mark Twain, is steamboat slang for 12 feet of water.

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oBZZL TIL that in 2013 a zoo in China tried to pass off a hairy dog as a lion
7rwrr TIL the first fully digital film was The Rescuers Down Under
X0DbP TIL John Von Neumann proposed an idea of self replicating spacecraft. Robert Freitas calcd they could colonize the milky way in 500k years. That we see no evidence of them implies we are alone. Carl Sagan argued rate of replication would consume so much mass no intelligent species would build them
WkRgY TIL that there’s a phrase for thinking of the perfect response a week after the argument - l’esprit d’escalier.
QJnoE TODAY I LEARNED...about the German invasion of Western Europe and North Africa in 1940: I feel that this person's video is very educational and informative on the history topic of WW2 and even history in general!